Mini Base Board A/B/C Designed for Raspberry Pi Compute Module Mini Base Board A/B/C Designed For Raspberry Pi Compute Module 4 Mini Base Board For Compute Module 4 Suitable For Evaluating The Raspberry Pi CM4 Or Being Integrated Into End Products Powerful functions in a credit card sized body Specifications CM4 SOCKET suitable for all variants of Compute Module 4 NETWORKING Gigabit Ethernet RJ45 connector M.2 M KEY, supports communication modules or NVME SSD CONNECTOR Raspberry Pi 40PIN GPIO header USB USB 2.0 Type A 2, USB 2.0 via FFC connector 2 DISPLAY MIPI DSI display port (15pin 1.0mm FPC connector) CAMERA MIPI CSI-2 camera port 2 (15pin 1.0mm FPC connector) VIDEO HDMI port 2 (including one port via FFC connector), supports 4K 30fps output RTC N/A STORAGE MicroSD card socket for Compute Module 4 Lite (without eMMC) variants FAN HEADER no fan control, 5V POWER INPUT 5V DIMENSIONS 85 56mm What's The Differences CM4 BASE BOARD INTERFACE COUNT AND SPECIFICATIONS POE GIGABIT ETH 40PIN GPIO PCIE USB DSI HDMI CSI RTC FAN HEADER POWER INPUT FEATURES NANO A 2.01 1 5V CM4 sized NANO B 1 2.01 1 1 1 5V CM4 sized NANO C 2.01 1 1 1 5V Onboard Camera MINI BASE A 1 M.2 M 2.04 1 2 2 5V 5V mini size MINI BASE B 1 M.2 M 2.04 1 2 2 5V 5V mini size MINI BASE C 1 M.2 M 2.02 1 2 5V 5V Dedicated 40PIN LCD Connector TOUCH SCREEN 1 M.2 M 2.04 1 1 5V IPS screen MINI DUAL GIGABIT 2 2.01 5V SH1.0 5V dual ETH BINOCULAR CAMERA 1 M.2 M 2.04 2 5V dual 8MP cameras 4CH RS485 1 2.02 1 2 1 5V 7-36V dual ETH WIFI6 DUAL ETH 1 M.2 E 2.03 1 2 2 1 5/12V 7-36V WIFI6 dual ETH DUAL GIGABIT ETH 2 3.03 1 2 2 5/12V 7-36V IOT DUAL GIGABIT ETH 2 3.02 1 2 2 5/12V 5V 5G/4G support